Tosoh Operations in Japan

toggle

Research and Development Laboratories


(Nanyo Complex)

Inorganic Materials Research Laboratory

Organic Materials Research Laboratory 

Address: 4560, Kaisei-cho, Shunan-shi, Yamaguchi 746-8501, Japan
E-mail: info@tosoh.co.jp


(Yokkaichi Complex)

Functional Polymers Research Laboratory

Polymer Materials Research Laboratory 

Address: 1-8, Kasumi, Yokkaichi, Mie 510-8540, Japan
Telephone: +81 593 64 1110
Fax: +81 593 64 5489
E-mail: info@tosoh.co.jp


(Kanto Area) 

Life Science Research Laboratory

Advanced Materials Research Laboratory

Address:  2743-1, Hayakawa, Ayase, Kanagawa 252-1123, Japan
Telephone: +81 467 77 2211
Fax: +81 467 78 5385
E-mail: info@tosoh.co.jp

Polyurethane Research Laboratory

Address:  440, Akibacho, Totsuka, Yokohama, Kanagawa 245-0052, Japan
Telephone: +81 458 12 1515
Fax: +81 458 12 1519
E-mail: info@tosoh.co.jp

To minimize this window, please click the button in the upper-right corner

 


 

Research Laboratories in Tokyo

 

  • Life Science Research Laboratory
  • Advanced Materials Research Laboratory
Address:  Tokyo Research Laboratory 2743-1, Hayakawa, Ayase, Kanagawa 252-1123, Japan
Telephone: +81 467 77 2211
Fax: +81 467 78 5385
E-mail: info@tosoh.co.jp 

 


 

Research Laboratories in Tokyo

 

  • Life Science Research Laboratory
  • Advanced Materials Research Laboratory
Address:  Tokyo Research Laboratory 2743-1, Hayakawa, Ayase, Kanagawa 252-1123, Japan
Telephone: +81 467 77 2211
Fax: +81 467 78 5385
E-mail: info@tosoh.co.jp 
toggle

Sales Network

Headquarters

Address:   3-8-2, Shiba, Minato-ku, Tokyo 105-8623, Japan 
Telephone:   +81 3 5427 5118
Fax:   +81 3 5427 5198
E-mail:   info@tosoh.co.jp

Fukuoka Regional Office

Address:   Kogin Building, 1-13-2, Tenjin, Chuo-ku, Fukuoka 810-0001, Japan 
Telephone:   +81 92 781 0481
Fax:   +81 92 751 7015
E-mail:   info@tosoh.co.jp

Nagoya Regional Office

Address:   Nagoya Toho Building, 1-2-7, Sakae, Naka-ku, Nagoya 460-0008, Japan
Telephone:   +81 52 211 5499
Fax:   +81 52 222 8623
E-mail:   info@tosoh.co.jp

Osaka Regional Office

Address:   4-4-9, Kouraibashi, Chuo-ku, Osaka 541-0043, Japan
Telephone:   +81 6 6209 1901
Fax:   +81 6 6209 1902
E-mail:   info@tosoh.co.jp

Sendai Regional Office

Address:   Sendai Green Place 2F, 1-11-1, Aoba-ku, Honmachi, Sendai, Miyagi 980-0014, Japan
Telephone:   +81 22 266 2341
Fax:   +81 22 267 5745
E-mail:   info@tosoh.co.jp

Yamaguchi Regional Office

Address:   4560, Kaisei-cho, Shunanshi, Yamaguchi 746-8501, Japan
Telephone:   +81 834 63 9888
Fax:   +81 834 63 6627
E-mail:   info@tosoh.co.jp

To minimize this window, please click the button in the upper-right corner
toggle

Major Production Facilities


Nanyo Complex

Tosoh was established in 1935 in Yamaguchi prefecture, on a site which has been expanded and is called the Tosoh Nanyo Complex-a sprawling 3.7 million square meter facility, that is today one of Japan's largest fully integrated chemical manufacturing complexes.

The Complex boasts the largest in-house generating facility in Japan, capable of generating up to 829,000 kilowatts of electricity. Moreover, Tosoh's own port facility is capable of handling 48,000-ton cargo ship. Here at the complex, Tosoh initially began producing soda ash; later expanding its production line to include such products as caustic soda, chlorine and chlorine derivatives such as VCM, PVC, chloroprene rubber, and ethylene amines, among others.

Address: 4560, Kaisei-cho, Shunan-shi, Yamaguchi 746-8501, Japan
Telephone: +81 834 63 9800
Fax: +81 834 62 4349
E-mail: info@tosoh.com


Yokkaichi Complex

Here within Tosoh's second largest production site, Tosoh also produces caustic soda and chlorine derivatives such as VCM and PVC. The combined caustic soda production of both the Nanyo and Yokkaichi complexes make Tosoh the leading producer of caustic soda in Japan. Tosoh is also one of Japan's major manufacturers, producing a fully integrated range of olefin products and derivatives, such as propylene, polyethylene and a variety of petroleum resins here in Yokkaichi.

Address: 1-8, Kasumi, Yokkaichi, Mie 510-8540, Japan
Telephone: +81 593 64 1111
Fax: +81 593 64 4818
E-mail: info@tosoh.com 


To minimize this window, please click the button in the upper-right corner 

toggle

Domestic Group Companies

Throughout Japan, the Tosoh Group encompasses over 50 subsidiaries and affiliates covering a wide range of fields. 

Ordered alphabetically by company name. 
Websites, if available, are in Japanese only unless otherwise noted.
  
Chlor-alkali Group  Asia Industry Co., Ltd.  Website (English available)
Petrochemical Group  Ace Pack Co., Ltd.  Website 
Ancillary  Hiyoshi Chemical Industries Co., Ltd.  
Petrochemical Group  Hokuetsu Kasei Co., Ltd.  Website
Ancillary  Hosojima Port Cargo Co., Ltd.  
Ancillary  Hyuga Unyu Co., Ltd.  
Engineering Group  Izumi Sangyo Co., Ltd.  Website
Ancillary  Kansai Shipping Co., Ltd.  
Ancillary  Kasumi Kyodo Jigyo Co., Ltd.  Website
Ancillary  Keiyo Koun Co., Ltd.
Ancillary  Koun Marine Co., Ltd.
Ancillary  Koun Industry Co., Ltd.
Chlor-alkali Group  Lonseal Corporation  Website (English available)
Specialty Group: Organic Chemicals  Manac Incorporated  Website (English and Chinese available)
Chlor-alkali Group  Minami Kyushu Chemical Industry Co., Ltd.  Website
Ancillary  Nihon Kaisui Chemica Co., Ltd.
Chlor-alkali Group  Nippon Miractran Co., Ltd.
Engineering Group  Organo Corporation  Website (English available)
Chlor-alkali Group  Plas-Tech Corporation  Website
Petrochemical Group  Rensol Co., Ltd.  
Specialty Group: Advanced Materials  Rin Kagaku Kogyo Co., Ltd.  Website (English available)
Petrochemical Group  Sankyo Chemical Industry Inc.  Website
Engineering Group  Sanwa Construction Co., Ltd.  Website
Engineering Group  Seiwakoki Co., Ltd.  Website
Petrochemical Group  Shinomura Chemical Industry Corporation  Website
Chlor-alkali Group  Taihei Chemicals Ltd.  Website (English available)
Chlor-alkali Group  Taiyo Vinyl Corporation  Website (English available)
Ancillary  Toho Acetylene Co., Ltd.  Website
Ancillary  Toho Unyu Co., Ltd.
Ancillary  Tohoku Denki Tekko Co., Ltd.  Website
Ancillary  Tohoku Tosoh Chemical Co., Ltd.  Website
Ancillary  Tohoku Maintenance Co., Ltd.
Chlor-alkali Group  Tokuyama Sekisui Co., Ltd.  Website
Specialty Group: Bioscience  Tosoh AIA, Inc.  
Ancillary  Tosoh Analysis and Research Center Co., Ltd.  Website
Specialty Group: Advanced Materials  Tosoh Ceramics Co., Ltd.  
Specialty Group: Organic Chemicals  Tosoh Finechem Corporation  Website (English available)
Ancillary  Tosoh General Services Co., Ltd.  
Specialty Group: Bioscience  Tosoh Hi-Tec, Inc.  
Specialty Group: Advanced Materials  Tosoh Hyuga Corporation  Website
Ancillary  Tosoh Information Systems Co., Ltd.  Website
Engineering Group  Tosoh Kasumi Engi Inc.
Ancillary  Tosoh Logistics Corporation  Website
Ancillary  Tosoh Nikkemi Corporation  Website
Specialty Group: Advanced Materials  Tosoh Quartz Corporation  Website
Specialty Group: Advanced Materials  Tosoh SGM Corporation  
Specialty Group: Advanced Materials  Tosoh Silica Corporation  Website
Specialty Group: Advanced Materials  Tosoh Speciality Materials Corporation  Website
Specialty Group: Bioscience  Tosoh Techno-System, Inc.  
Specialty Group: Advanced Materials  Tosoh Zeolum, Inc.  
Petrochemical Group  Toyo Polymer Co., Ltd.  
Ancillary  Yamaguchi Koun Corporation  
Petrochemical Group  Yokkaichi Oxyton Co., Ltd.  
Engineering Group  Yorin Construction Co., Ltd.  Website
   

To minimize this window, please click the button in the upper-right corner